20,000 volunteers help scientists crack cancer's code
NCT ID NCT03617939
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study does not test any new treatment. Instead, it collects blood, tissue, and health information from 20,000 adults who have cancer or are at risk for it. Researchers will use this data to better understand cancer and improve future care. Participants simply donate samples and fill out surveys over time.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 20,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2015
- Expected to finish
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Sep 2037
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
All persons who are diagnosed with cancer or at risk for cancer.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. 18 years of age and older. 2. Diagnosed with cancer, or may be at risk for cancer. 3. Able to understand and sign the TCCP Informed Consent and Research Authorization form directly or through a legally authorized representative (LAR). Non-English speaking subjects will also be invited to participate in the TCCP study, in accordance with COMIRB's short-form consent use. Exclusion Criteria: 1\. Members of vulnerable populations including neonates (birth to 30 days), children (under age 18), wards of the State, prisoners or those on probation or alternate sentencing, or decisionally challenged (adults or children that are cognitively impaired, incompetent to consent, proxy consent, or consenting in life threatening situations).
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
6 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Cherry Creek Medical Center
RECRUITINGDenver, Colorado, 80206, United States
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Highlands Ranch Medical Center
RECRUITINGHighlands Ranch, Colorado, 80126, United States
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UCHealth Memorial Hospital Central
RECRUITINGColorado Springs, Colorado, 80909, United States
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UCHealth Memorial Hospital North
RECRUITINGColorado Springs, Colorado, 80909, United States
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UCHealth Poudre Valley Health System
RECRUITINGFort Collins, Colorado, 80528, United States
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University of Colorado Hospital
RECRUITINGAurora, Colorado, 80045, United States
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